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A Multi-center, Randomized, Double-blinded, Phase 3 Trial to Evaluate the Efficacy Against Herpes Zoster of a Live Attenuated Varicella-Zoster Virus Vaccine in Adults Over 40 Years of Age
Varicella-zoster virus (VZV) is a herpesvirus that causes two distinct clinical syndromes.Primary infection is manifested as varicella (chickenpox), whereas reactivation of latent VZV results in a localized eruption known as herpes zoster. More than 99.6% of people 40 years of age orolder had evidence of previous VZV infection. This study plans to have 30000 adults 40 years of age or older involoved in a randomized, double-blind, placebo-controlled trial of an investigational live attenuated varicella-zoster virus vaccine. The investigational vaccines are produced by Changchun Changsheng biotechnology co. LTD. The incidence of herpes zoster and the severity, and duration of the associated pain and discomfort were measured after the vaccination. And the safety of the varicella-zoster virus vaccine is also evaluated.
Age
40 - No limit years
Sex
ALL
Healthy Volunteers
No
Hunan Provincial Center for Disease Control and Prevention
Loudi, Hunan, China
Jiangsu Province Centers for Disease Control and Prevention
Nanjing, Jiangsu, China
Zhejiang Provincial Center for Disease Control and Prevention
Hanzhou, Zhejiang, China
Start Date
October 6, 2017
Primary Completion Date
January 19, 2019
Completion Date
January 19, 2019
Last Updated
March 30, 2021
30,000
ACTUAL participants
One shot of the varicella-zoster virus vaccine
BIOLOGICAL
one shot of placebo
BIOLOGICAL
Lead Sponsor
Jiangsu Province Centers for Disease Control and Prevention
NCT07378059
NCT06932523
Data Source & Attribution
This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.
Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.
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View ClinicalTrials.gov Terms and ConditionsNCT06903078